<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<% request.setCharacterEncoding("UTF-8"); %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<c:if test="${sessionScope['sesionActiva']==null}">
    <% response.sendRedirect("login.jsp");%>
</c:if>
